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12350443313 = 133173977549
BaseRepresentation
bin10111000000010010…
…01100111100110001
31011212201112112012102
423200021030330301
5200243203141223
65401304510145
7615025015235
oct134011147461
934781475172
1012350443313
11526855994a
12248817b355
13121a944730
148523a25c5
154c43e5928
hex2e024cf31

12350443313 has 16 divisors (see below), whose sum is σ = 13377814800. Its totient is φ = 11334318336.

The previous prime is 12350443309. The next prime is 12350443319. The reversal of 12350443313 is 31334405321.

It can be written as a sum of positive squares in 8 ways, for example, as 476636224 + 11873807089 = 21832^2 + 108967^2 .

It is a cyclic number.

It is not a de Polignac number, because 12350443313 - 22 = 12350443309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12350443319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1632263 + ... + 1639811.

It is an arithmetic number, because the mean of its divisors is an integer number (836113425).

Almost surely, 212350443313 is an apocalyptic number.

12350443313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12350443313 is a deficient number, since it is larger than the sum of its proper divisors (1027371487).

12350443313 is a wasteful number, since it uses less digits than its factorization.

12350443313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8276.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 12350443313 its reverse (31334405321), we get a palindrome (43684848634).

The spelling of 12350443313 in words is "twelve billion, three hundred fifty million, four hundred forty-three thousand, three hundred thirteen".

Divisors: 1 13 317 397 4121 5161 7549 98137 125849 1636037 2393033 2996953 31109429 38960389 950034101 12350443313